About a year ago, I was a three-coffee-a-day person: Two cups in the morning, and one around midday or after lunch. My esophageal lining took a hit—and coffee drinking also took a toll on my wallet since I had long ditched the office sludge for more enjoyable brew. Anyway, I was ordered to lay off of the caffeine for two weeks, and while I resumed coffee consumption in moderation once the mandated fasting period had passed, I thought it might be a good idea to give it up entirely. Much like Napoleon’s Waterloo, I was less than successful. About two weeks into that endeavor, my general misery prompted coworkers to buy coffee for me. I…